This taxon is considered nomen dubium, species not entered
of the valid taxon Pliosaurus
according to the Paleobiology Database.
See the page for Pliosaurus →
Bibliography
Original description
N. I. Novozhilov. 1948. Two new pliosaurs from the lower Volgian tier of the Volga region (right bank). Doklady Akademii Nauk SSSR 60:115-118